Plasma cutters will mine further but will go less distance in open air

code/modules/projectiles/projectile/special.dm

@@ -215,24 +215,27 @@
 		if(pressure < 60)
 			name = "full strength [name]"
 			damage *= 4
-			range *= 2
 
 /obj/item/projectile/plasma/on_hit(atom/target)
 	. = ..()
 	if(ismineralturf(target))
 		var/turf/closed/mineral/M = target
 		M.gets_drilled(firer)
-		Range()
+		if(mine_range)
+			mine_range--
+			range++
 		if(range > 0)
 			return -1
 
 /obj/item/projectile/plasma/adv
 	damage = 7
 	range = 5
+	mine_range = 5
 
 /obj/item/projectile/plasma/adv/mech
 	damage = 10
-	range = 6
+	range = 9
+	mine_range = 3
 
 /obj/item/projectile/plasma/turret
 	//Between normal and advanced for damage, made a beam so not the turret does not destroy glass

code/modules/projectiles/projectile/special.dm.rej

@@ -0,0 +1,10 @@
+diff a/code/modules/projectiles/projectile/special.dm b/code/modules/projectiles/projectile/special.dm	(rejected hunks)
+@@ -203,7 +203,7 @@
+ 	range = 4
+ 	dismemberment = 20
+ 	impact_effect_type = /obj/effect/temp_visual/impact_effect/purple_laser
+-	var/mine_range = 4 //mines this many additional tiles
++	var/mine_range = 3 //mines this many additional tiles
+ 
+ /obj/item/projectile/plasma/Initialize()
+ 	. = ..()